healer | 96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106

General

Target

96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe
Size

701KB
MD5

a2e04ca89b75e907f1dbf7df13c6cd79
SHA1

a74db2ebdb369c49c0945ab1e6aa426702ccf832
SHA256

96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106
SHA512

9c2d9a3c318e958862ab7865bfd9c83f5a42ae83993103fc2393c0029ef9e2c0258ae53fa53442022903efd3f5c5c9b2dd25cc0f4411d7d4d38971334f41b314
SSDEEP

12288:nMr9y90DrxGGlfwh4VvQiYhHTaR1xPGAAshMQT65HGhcl4NEtHXTJ1r6Jz:GyKxGGlfweQiNx9MQT65HGmOYHXvr6Jz

Score

10^/10

healer redline dubka discovery dropper evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes

auth_value
e5a9421183a033f283b2f23139b471f0

Signatures

Detects Healer an antivirus disabler dropper 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023cb3-19.dat	healer
behavioral1/memory/2188-22-0x0000000000240000-0x000000000024A000-memory.dmp	healer

Healer
Healer an antivirus disabler dropper.
dropper healer
Healer family
healer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	kSl11sK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	kSl11sK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	kSl11sK.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	kSl11sK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	kSl11sK.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	kSl11sK.exe

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000023cb4-26.dat	family_redline
behavioral1/memory/4948-28-0x0000000000C40000-0x0000000000C72000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
1988	daF1262.exe
1164	dWF5048.exe
2188	kSl11sK.exe
4948	nCz99Yl.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	kSl11sK.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	daF1262.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	dWF5048.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2444	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	daF1262.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dWF5048.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nCz99Yl.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2188	kSl11sK.exe
2188	kSl11sK.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	kSl11sK.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 1988	3976	96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe	86
PID 3976 wrote to memory of 1988	3976	96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe	86
PID 3976 wrote to memory of 1988	3976	96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe	86
PID 1988 wrote to memory of 1164	1988	daF1262.exe	87
PID 1988 wrote to memory of 1164	1988	daF1262.exe	87
PID 1988 wrote to memory of 1164	1988	daF1262.exe	87
PID 1164 wrote to memory of 2188	1164	dWF5048.exe	88
PID 1164 wrote to memory of 2188	1164	dWF5048.exe	88
PID 1164 wrote to memory of 4948	1164	dWF5048.exe	96
PID 1164 wrote to memory of 4948	1164	dWF5048.exe	96
PID 1164 wrote to memory of 4948	1164	dWF5048.exe	96

C:\Users\Admin\AppData\Local\Temp\96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe
"C:\Users\Admin\AppData\Local\Temp\96839af0c862452df4c7174046558bb5ecac81b946fc3be678d12959cb28b106.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\daF1262.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\daF1262.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dWF5048.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dWF5048.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1164
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kSl11sK.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kSl11sK.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2188
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nCz99Yl.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nCz99Yl.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4948

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:2444

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\daF1262.exe

Filesize
557KB

MD5
619c138337edcca6fcbdcb8c4564a80c

SHA1
1b8e45567474d7b0323c357498abcbeee1c28970

SHA256
d025c08b6ee9b639f747373a432cb0c5649461ecd69beb5e6d8493831798a9ef

SHA512
23f414cd7df49d81de3bc7fbd7760b59b845261e6e1b9313f5566543e0a2ff3734f3a447be749b39d20968bb58288d39187019686880bf034946c8a7c2212c43

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dWF5048.exe

Filesize
202KB

MD5
0531086886be66c79ce15e02546ea111

SHA1
217996be5f6adf6a81d54715bd2f5fdfee2f2f71

SHA256
ec05e6ba1c972e1ada4979d011654c995505fd3d27d8f7ae4d39e8f4020aaf1d

SHA512
24eb008971575a97c2c4dee60adb26beeec9bb8dff4f612a62af057a0a4de592af6e384e7c8f9fce874913aea1368e538c0b18dfd0d27f4ac0c2ac391e8d23d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kSl11sK.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\nCz99Yl.exe

Filesize
175KB

MD5
dd0c9e110c68ce1fa5308979ef718f7b

SHA1
473deb8069f0841d47b74b7f414dacc6f96eca78

SHA256
dc28c9d9ab3f30222ed59f3991c5981bec40604e725ece488d8599eef917a7b3

SHA512
29bd76da816b13b31c938a3f8699d2f5942a24c9ef61fddcac490e0a30f82c1a4a76ca9a6866a8d2c8e57566f66b3aea31e7f70646d3ebef63c63a06f8fe2236

Download Submit
memory/2188-21-0x00007FFDF69E3000-0x00007FFDF69E5000-memory.dmp

Filesize
8KB

Download
memory/2188-23-0x00007FFDF69E3000-0x00007FFDF69E5000-memory.dmp

Filesize
8KB

Download
memory/2188-22-0x0000000000240000-0x000000000024A000-memory.dmp

Filesize
40KB

Download
memory/4948-28-0x0000000000C40000-0x0000000000C72000-memory.dmp

Filesize
200KB

Download
memory/4948-29-0x0000000005A70000-0x0000000006088000-memory.dmp

Filesize
6.1MB

Download
memory/4948-30-0x00000000055E0000-0x00000000056EA000-memory.dmp

Filesize
1.0MB

Download
memory/4948-31-0x0000000005520000-0x0000000005532000-memory.dmp

Filesize
72KB

Download
memory/4948-32-0x0000000005580000-0x00000000055BC000-memory.dmp

Filesize
240KB

Download
memory/4948-33-0x00000000056F0000-0x000000000573C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads